=+56. A manufacturer of dustless chalk monitors the consistency of chalk by running an s chart on
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=+56. A manufacturer of dustless chalk monitors the consistency of chalk by running an s chart on the density of chalk in subgroups of size 8. The most recent 24 such subgroups had the accompanying sample standard deviations (read across):
.204 .315 .096 .184 .230 .212 .322 .287
.145 .211 .053 .145 .272 .351 .159 .214
.388 .187 .150 .229 .276 .118 .091 .056
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Related Book For
Applied Statistics For Engineers And Scientists
ISBN: 9781133111368
3rd Edition
Authors: Jay L. Devore, Nicholas R. Farnum, Jimmy A. Doi
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